<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span class="block positive" :class="{'active':SelectType===2}" @click="select(2)">
        {{desc.all}}
        <span class="count">{{ratings.length}}</span>
      </span>
      <span class="block positive" :class="{'active':SelectType===0}" @click="select(0)">
        {{desc.positive}}
        <span class="count">{{positives.length}}</span>
      </span>
      <span class="block negative" :class="{'active':SelectType===1}" @click="select(1)">
        {{desc.negative}}
        <span class="count">{{negatives.length}}</span>
      </span>
    </div>
    <div class="switch" :class="{'on':OnlyContent}" @click="toggleContent">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
//选项卡的三种状态 好评差评那些
const POSITIVE = 0;
const NEGATIVE = 1;
const ALL = 2;

export default {
  data() {
    return {
      // 父组件传过来的值要进行处理
      SelectType: this.selectType,
      OnlyContent: this.onlyContent,
    };
  },
  props: {
    ratings: {
      type: Array,
      default() {
        return [];
      },
    },
    //默认显示全部内容
    selectType: {
      type: Number,
      default: ALL,
    },
    //只是内容那个功能
    onlyContent: {
      type: Boolean,
      default: false,
    },
    desc: {
      type: Object,
      default() {
        return {
          all: "全部",
          positive: "满意",
          negative: "不满意",
        };
      },
    },
  },
  methods: {
    select(type) {
      this.SelectType = type;
      this.$root.$emit("selectTypeChange", type);
    },
    toggleContent() {
      this.OnlyContent = !this.OnlyContent;
      this.$root.$emit("onlyContentChange", this.OnlyContent);
    },
  },
  computed: {
    //正面评价数量
    positives() {
      return this.ratings.filter((rating) => {
        return rating.rateType === POSITIVE;
      });
    },
    //反面评价数量
    negatives() {
      return this.ratings.filter((rating) => {
        return rating.rateType === NEGATIVE;
      });
    },
  },
};
</script>

<style lang="stylus" rel="stylesheet/stylus" scoped>
@import '../../common/stylus/mixins.styl';

.ratingselect {
  .rating-type {
    padding: 18px 0;
    margin: 0 18px;
    border-1px(rgba(7, 17, 27, 0.1));
    font-size: 0;

    .block {
      display: inline-block;
      padding: 8px 12px;
      margin-right: 8px;
      border-radius: 1px;
      line-height: 16px;
      font-size: 12px;
      color: rgb(77, 85, 93);

      &.active {
        color: #fff;
      }

      .count {
        margin-left: 2px;
        font-size: 8px;
      }

      &.positive {
        background-color: rgba(0, 160, 220, 0.2);

        &.active {
          background-color: rgb(0, 160, 220);
        }
      }

      &.negative {
        background-color: rgba(77, 85, 93, 0.2);

        &.active {
          background-color: rgb(77, 85, 93);
        }
      }
    }
  }

  .switch {
    padding: 12px 18px 18px;
    line-height: 24px;
    border-bottom: 1px solid rgba(7, 17, 27, 0.1);
    color: rgb(147, 153, 159);
    font-size: 0;

    &.on {
      .icon-check_circle {
        color: #00c850;
      }
    }

    .icon-check_circle {
      display: inline-block;
      vertical-align: top;
      margin-right: 4px;
      font-size: 24px;
    }

    .text {
      font-size: 12px;
      vertical-align: top;
    }
  }
}
</style>
